# 2560

## 2,560 is an even composite number composed of two prime numbers multiplied together.

What does the number 2560 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 20 divisors.

2560 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of twenty divisors.

## Prime factorization of 2560:

### 29 × 5

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5)

See below for interesting mathematical facts about the number 2560 from the Numbermatics database.

### Names of 2560

• Cardinal: 2560 can be written as Two thousand, five hundred sixty.

### Scientific notation

• Scientific notation: 2.56 × 103

### Factors of 2560

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 7

### Divisors of 2560

• Number of divisors d(n): 20
• Complete list of divisors:
• Sum of all divisors σ(n): 6138
• Sum of proper divisors (its aliquot sum) s(n): 3578
• 2560 is an abundant number, because the sum of its proper divisors (3578) is greater than itself. Its abundance is 1018

### Bases of 2560

• Binary: 1010000000002
• Base-36: 1Z4

### Squares and roots of 2560

• 2560 squared (25602) is 6553600
• 2560 cubed (25603) is 16777216000
• The square root of 2560 is 50.5964425627
• The cube root of 2560 is 13.6798075737

### Scales and comparisons

How big is 2560?
• 2,560 seconds is equal to 42 minutes, 40 seconds.
• To count from 1 to 2,560 would take you about forty-two minutes.

This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 2560 cubic inches would be around 1.1 feet tall.

### Recreational maths with 2560

• 2560 backwards is 0652
• The number of decimal digits it has is: 4
• The sum of 2560's digits is 13
• More coming soon!